51.9 sec in total
3.8 sec
46.9 sec
1.3 sec
Visit vipkid.com.cn now to see the best up-to-date Vipkid content for China and also check out these interesting facts you probably never knew about vipkid.com.cn
Visit vipkid.com.cnWe analyzed Vipkid.com.cn page load time and found that the first response time was 3.8 sec and then it took 48.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
vipkid.com.cn performance score
name
value
score
weighting
Value7.4 s
1/100
10%
Value49.9 s
0/100
25%
Value11.7 s
4/100
10%
Value640 ms
46/100
30%
Value0
100/100
15%
Value28.1 s
0/100
10%
3778 ms
6310 ms
4067 ms
7829 ms
2941 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 5% of them (4 requests) were addressed to the original Vipkid.com.cn, 89% (67 requests) were made to Resource.vipkid.com.cn and 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Sobot.com.
Page size can be reduced by 49.9 kB (6%)
837.6 kB
787.8 kB
In fact, the total size of Vipkid.com.cn main page is 837.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 772.5 kB which makes up the majority of the site volume.
Potential reduce by 23.0 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 23.0 kB or 77% of the original size.
Potential reduce by 128 B
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Vipkid images are well optimized though.
Potential reduce by 4.5 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 4.5 kB or 67% of the original size.
Potential reduce by 22.3 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Vipkid.com.cn needs all CSS files to be minified and compressed as it can save up to 22.3 kB or 78% of the original size.
Number of requests can be reduced by 15 (21%)
72
57
The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vipkid. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
vipkid.com.cn
3778 ms
www.vipkid.com.cn
6310 ms
hm.js
4067 ms
index.packed.min.css
7829 ms
banner_mask.png
2941 ms
cooper_default.gif
2453 ms
video2.jpg
6330 ms
video1.jpg
4611 ms
teacher_bg.png
16144 ms
jquery-1.11.3.min.js
8428 ms
index.packed.min.js
3378 ms
pc.min.js
20232 ms
hm.gif
337 ms
index_bg.png
1288 ms
focus_brand.jpg
9855 ms
focus_teacher.jpg
3093 ms
focus_promise.jpg
9479 ms
focus_openclass.jpg
6789 ms
word_bg.png
4112 ms
default_bg.png
3582 ms
promise_bg.png
6178 ms
teachers_1.jpg
14340 ms
teachers_2.jpg
16573 ms
teachers_3.jpg
16483 ms
default_sbg.png
9324 ms
likaifu.png
1513 ms
ys_1.jpg
5168 ms
ys_2.jpg
2359 ms
ys_3.jpg
6036 ms
ys_4.jpg
6311 ms
ys_5.jpg
7210 ms
ys_6.jpg
7593 ms
parent_1.jpg
5939 ms
parent_2.jpg
10819 ms
parent_3.jpg
11006 ms
parent_4.jpg
8449 ms
media_1.jpg
6832 ms
media_2.jpg
7348 ms
media_3.jpg
9315 ms
media_4.jpg
7856 ms
media_5.jpg
8426 ms
media_6.jpg
9856 ms
media_7.jpg
10311 ms
media_8.jpg
9869 ms
media_9.jpg
9818 ms
media_10.jpg
10871 ms
media_11.jpg
10958 ms
media_12.jpg
10662 ms
media_13.jpg
10927 ms
media_14.jpg
12010 ms
media_15.jpg
11472 ms
media_16.jpg
11366 ms
media_17.jpg
13804 ms
media_18.jpg
11800 ms
media_19.jpg
12030 ms
media_20.jpg
12444 ms
media_21.jpg
12524 ms
media_22.jpg
12903 ms
news_pics1.png
13443 ms
news_pics2.png
12571 ms
cooper_1.jpg
11132 ms
cooper_2.jpg
10711 ms
cooper_3.jpg
10501 ms
cooper_4.jpg
8939 ms
cooper_5.jpg
8129 ms
cooper_6.jpg
9182 ms
cooper_7.jpg
9368 ms
cooper_8.jpg
9670 ms
cooper_9.jpg
8132 ms
cooper_10.jpg
7766 ms
cooper_11.jpg
7452 ms
cooper_12.jpg
8551 ms
server188_1x.png
7188 ms
server126_1x.png
7327 ms
rss126_1x.png
6577 ms
vipkid.com.cn accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
vipkid.com.cn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
vipkid.com.cn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document doesn't use legible font sizes
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vipkid.com.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Vipkid.com.cn main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
vipkid.com.cn
Open Graph description is not detected on the main page of Vipkid. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: